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.mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox biography vcard"><tbody><tr><th colspan="2" class="infobox-above" style="font-size:125%;"><div class="fn">Lennart Ljung</div></th></tr><tr><th scope="row" class="infobox-label">Born</th><td class="infobox-data"><span style="display:none"> (<span class="bday">1946-09-13</span>) </span>13 September 1946<span class="noprint ForceAgeToShow"> (age 78)</span><br /><div style="display:inline" class="birthplace"><a href="/wiki/Malm%C3%B6" title="Malmö">Malmö</a>, <a href="/wiki/Sweden" title="Sweden">Sweden</a></div></td></tr><tr><th scope="row" class="infobox-label">Nationality</th><td class="infobox-data category"><a href="/wiki/Sweden" title="Sweden">Swedish</a></td></tr><tr><th scope="row" class="infobox-label">Citizenship</th><td class="infobox-data category"><a href="/wiki/Sweden" title="Sweden">Sweden</a></td></tr><tr><th scope="row" class="infobox-label">Alma mater</th><td class="infobox-data"><a href="/wiki/Lund_University" title="Lund University">Lund University</a></td></tr><tr><th scope="row" class="infobox-label">Known for</th><td class="infobox-data"><a href="/wiki/System_identification" title="System identification">System Identification</a></td></tr><tr><th scope="row" class="infobox-label">Awards</th><td class="infobox-data"><a href="/wiki/IEEE" class="mw-redirect" title="IEEE">IEEE</a> <a href="/wiki/Fellow" title="Fellow">Fellow</a><br /><a href="/wiki/IEEE_Control_Systems_Award" title="IEEE Control Systems Award">IEEE Control Systems Award</a></td></tr><tr><td colspan="2" class="infobox-full-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546"><b>Scientific career</b></td></tr><tr><th scope="row" class="infobox-label">Fields</th><td class="infobox-data category"><a href="/wiki/Control_Theory" class="mw-redirect" title="Control Theory">Control Theory</a></td></tr><tr><th scope="row" class="infobox-label">Institutions</th><td class="infobox-data"><a href="/wiki/Link%C3%B6ping_University" title="Linköping University">Linköping University</a><br /><a href="/wiki/Lund_University" title="Lund University">Lund University</a><br /><a href="/wiki/Massachusetts_Institute_of_Technology" title="Massachusetts Institute of Technology">Massachusetts Institute of Technology</a><br /><a href="/wiki/Stanford_University" title="Stanford University">Stanford University</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Doctoral_advisor" title="Doctoral advisor">Doctoral advisor</a></th><td class="infobox-data"><a href="/wiki/Karl_Johan_%C3%85str%C3%B6m" title="Karl Johan Åström">Karl Johan Åström</a></td></tr><tr style="display:none"><td colspan="2"> </td></tr></tbody></table> <p><b>Lennart Ljung</b> is a <a href="/wiki/Sweden" title="Sweden">Swedish</a> <a href="/wiki/Professor" title="Professor">professor</a> in the <a href="/wiki/Chair_(academic)" class="mw-redirect" title="Chair (academic)">Chair</a> of <a href="/wiki/Control_Theory" class="mw-redirect" title="Control Theory">Control Theory</a> at <a href="/wiki/Link%C3%B6ping_University" title="Linköping University">Linköping University</a> since 1976. He is known for his pioneering research in <a href="/wiki/System_identification" title="System identification">system identification</a>, and is regarded as a leading researcher in <a href="/wiki/Control_theory" title="Control theory">control theory</a>.<sup id="cite_ref-kl_1-0" class="reference"><a href="#cite_note-kl-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-ica_2-0" class="reference"><a href="#cite_note-ica-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Education">Education</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lennart_Ljung_(engineer)&action=edit&section=1" title="Edit section: Education"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Lennart Ljung received the <a href="/wiki/Bachelor_of_Arts" title="Bachelor of Arts">B.A.</a> in <a href="/wiki/Russian_Language" class="mw-redirect" title="Russian Language">Russian Language</a> and <a href="/wiki/Mathematics" title="Mathematics">Mathematics</a> 1967, the <a href="/wiki/M.Sc." class="mw-redirect" title="M.Sc.">M.Sc.</a> (first degree) in <a href="/wiki/Engineering_Physics" class="mw-redirect" title="Engineering Physics">Engineering Physics</a> 1970, and the <a href="/wiki/Ph.D." class="mw-redirect" title="Ph.D.">Ph.D.</a><sup id="cite_ref-mgd_4-0" class="reference"><a href="#cite_note-mgd-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> in <a href="/wiki/Control_Theory" class="mw-redirect" title="Control Theory">Control Theory</a> 1974, all from <a href="/wiki/Lund_University" title="Lund University">Lund University</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Background,_Present_Appointments_and_Scientific_Contributions"><span id="Background.2C_Present_Appointments_and_Scientific_Contributions"></span>Background, Present Appointments and Scientific Contributions</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lennart_Ljung_(engineer)&action=edit&section=2" title="Edit section: Background, Present Appointments and Scientific Contributions"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Following a position as a <a href="/wiki/Research_associate" title="Research associate">research associate</a> at <a href="/wiki/Stanford_University" title="Stanford University">Stanford University</a> 1974–1975 and a position as an <a href="/wiki/Associate_professor" title="Associate professor">associate professor</a> (<a href="/wiki/Docent" title="Docent">docent</a>) in <a href="/wiki/Control_theory" title="Control theory">control theory</a> at <a href="/wiki/Lund_University" title="Lund University">Lund University</a> in 1975–1976, Lennart Ljung was elected as a professor in the <a href="/wiki/Chair_(academic)" class="mw-redirect" title="Chair (academic)">chair</a> of <a href="/wiki/Control_theory" title="Control theory">control theory</a> at <a href="/wiki/Link%C3%B6ping_University" title="Linköping University">Linköping University</a> in 1976. He was a <a href="/wiki/Visiting_researcher" class="mw-redirect" title="Visiting researcher">visiting researcher</a> at <a href="/wiki/Stanford_University" title="Stanford University">Stanford University</a> 1980–1981 and at <a href="/wiki/Massachusetts_Institute_of_Technology" title="Massachusetts Institute of Technology">Massachusetts Institute of Technology</a> 1985–1986. He was also <a href="/wiki/Department_Head" class="mw-redirect" title="Department Head">Department Head</a> of the Department of <a href="/wiki/Electrical_Engineering" class="mw-redirect" title="Electrical Engineering">Electrical Engineering</a>, <a href="/wiki/Link%C3%B6ping_University" title="Linköping University">Linköping University</a> between 1981 and 1990. He is currently the <a href="/wiki/Director-general" class="mw-redirect" title="Director-general">Director</a> of the MOVIII Strategic Research Center at <a href="/wiki/Link%C3%B6ping_University" title="Linköping University">Linköping University</a>. He has made extensive contributions to <a href="/wiki/Control_theory" title="Control theory">control theory</a>, particularly in the area of <a href="/wiki/System_identification" title="System identification">system identification</a>. He has authored 10 books, over 150 international journal articles, over 200 international conference papers, and a widely used commercial software package for <a href="/wiki/MATLAB" title="MATLAB">MATLAB</a> called the <a href="/w/index.php?title=System_Identification_Toolbox&action=edit&redlink=1" class="new" title="System Identification Toolbox (page does not exist)">System Identification Toolbox</a>.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p><p>Lennart Ljung is ranked 84 in the world (1st within Sweden) in the field of Engineering and Technology.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Notable_honors_and_awards">Notable honors and awards</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lennart_Ljung_(engineer)&action=edit&section=3" title="Edit section: Notable honors and awards"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/IEEE" class="mw-redirect" title="IEEE">IEEE</a> <a href="/wiki/Fellow" title="Fellow">Fellow</a> (1985)</li> <li>Member of the <a href="/wiki/Royal_Swedish_Academy_of_Engineering_Sciences" title="Royal Swedish Academy of Engineering Sciences">Royal Swedish Academy of Engineering Sciences</a> (1985)</li> <li>Member of the <a href="/wiki/Swedish_Academy_of_Sciences" class="mw-redirect" title="Swedish Academy of Sciences">Swedish Academy of Sciences</a> (1995)</li> <li><a href="/wiki/Doctor_honoris_causa" class="mw-redirect" title="Doctor honoris causa">Doctor honoris causa</a> <a href="/wiki/Baltic_State_Technical_University" title="Baltic State Technical University">Baltic State Technical University</a> (1996)</li> <li>Doctor honoris causa <a href="/wiki/Uppsala_University" title="Uppsala University">Uppsala University</a> (1998)</li> <li>Honorary Member of the <a href="/w/index.php?title=Hungarian_Academy_of_Engineering_Sciences&action=edit&redlink=1" class="new" title="Hungarian Academy of Engineering Sciences (page does not exist)">Hungarian Academy of Engineering Sciences</a> (2001)</li> <li><a href="/wiki/Giorgio_Quazza_Medal" title="Giorgio Quazza Medal">Giorgio Quazza Medal</a> (2002)</li> <li><a href="/wiki/Hendrik_W._Bode_Lecture_Prize" title="Hendrik W. Bode Lecture Prize">Hendrik W. Bode Lecture Prize</a>, awarded by <a href="/wiki/IEEE_Control_Systems_Society" class="mw-redirect" title="IEEE Control Systems Society">IEEE Control Systems Society</a> (2003)</li> <li>Foreign Associate of the <a href="/wiki/United_States" title="United States">United States</a> <a href="/wiki/National_Academy_of_Engineering" title="National Academy of Engineering">National Academy of Engineering</a> (2004)</li> <li>Doctor honoris causa <a href="/wiki/University_of_Technology_of_Troyes" title="University of Technology of Troyes">Universite de Technologie de Troyes</a> (2004)</li> <li>Doctor honoris causa <a href="/wiki/Katholieke_Universiteit_Leuven" class="mw-redirect" title="Katholieke Universiteit Leuven">Katholieke Universiteit Leuven</a><sup id="cite_ref-kl_1-1" class="reference"><a href="#cite_note-kl-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> (2004)</li> <li><a href="/wiki/IEEE_Control_Systems_Award" title="IEEE Control Systems Award">IEEE Control Systems Award</a> (2007)<sup id="cite_ref-IEEE-ControlSystems-Award-Recipients_7-0" class="reference"><a href="#cite_note-IEEE-ControlSystems-Award-Recipients-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-IEEE-CSS-ControlSystems-Award_8-0" class="reference"><a href="#cite_note-IEEE-CSS-ControlSystems-Award-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup></li> <li>Doctor honoris causa <a href="/wiki/Helsinki_University_of_Technology" title="Helsinki University of Technology">Helsinki University of Technology</a> (2008)<sup id="cite_ref-TKK_9-0" class="reference"><a href="#cite_note-TKK-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup></li></ul> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lennart_Ljung_(engineer)&action=edit&section=4" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/System_identification" title="System identification">System Identification</a></li> <li><a href="/wiki/Control_Theory" class="mw-redirect" title="Control Theory">Control Theory</a></li> <li><a href="/wiki/Electrical_Engineering" class="mw-redirect" title="Electrical Engineering">Electrical Engineering</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lennart_Ljung_(engineer)&action=edit&section=5" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-kl-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-kl_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-kl_1-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20080611152918/http://www.kuleuven.ac.be/scores/12-13oct2004.html">"Honorary Doctoral Degree for Professor Lennart Ljung and Workshop on System Identification"</a>. Archived from <a rel="nofollow" class="external text" href="http://www.kuleuven.ac.be/scores/12-13oct2004.html">the original</a> on 2008-06-11<span class="reference-accessdate">. Retrieved <span class="nowrap">2008-06-23</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Honorary+Doctoral+Degree+for+Professor+Lennart+Ljung+and+Workshop+on+System+Identification&rft_id=http%3A%2F%2Fwww.kuleuven.ac.be%2Fscores%2F12-13oct2004.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALennart+Ljung+%28engineer%29" class="Z3988"></span></span> </li> <li id="cite_note-ica-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-ica_2-0">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20061128011402/http://www.ieee.org/portal/pages/about/awards/pr/2007tfarecips.html">IEEE Control Systems Award</a></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://embeddedsystemnews.com/ieee-names-dr-lennart-ljung-for-2007-control-systems-award.html">IEEE Names Dr. Lennart Ljung for 2007 Control Systems Award</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20110710185428/http://embeddedsystemnews.com/ieee-names-dr-lennart-ljung-for-2007-control-systems-award.html">Archived</a> 2011-07-10 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a></span> </li> <li id="cite_note-mgd-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-mgd_4-0">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://www.genealogy.math.ndsu.nodak.edu/id.php?id=104598">Mathematics Genealogy Project</a></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.control.isy.liu.se/~ljung/llcv/llcv.html/">Prof. Ljung's vita</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20080224032948/http://www.control.isy.liu.se/~ljung/llcv/llcv.html/">Archived</a> 2008-02-24 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://research.com/scientists-rankings/engineering-and-technology">"Research.com - Leading Academic Research Portal"</a>. <i>Research.com</i><span class="reference-accessdate">. Retrieved <span class="nowrap">2022-03-30</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Research.com&rft.atitle=Research.com+-+Leading+Academic+Research+Portal&rft_id=https%3A%2F%2Fresearch.com%2Fscientists-rankings%2Fengineering-and-technology&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALennart+Ljung+%28engineer%29" class="Z3988"></span></span> </li> <li id="cite_note-IEEE-ControlSystems-Award-Recipients-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-IEEE-ControlSystems-Award-Recipients_7-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20100619234827/http://ieee.org/documents/control_sys_rl.pdf">"IEEE Control Systems Award Recipients"</a> <span class="cs1-format">(PDF)</span>. <a href="/wiki/IEEE" class="mw-redirect" title="IEEE">IEEE</a>. Archived from <a rel="nofollow" class="external text" href="http://www.ieee.org/documents/control_sys_rl.pdf">the original</a> <span class="cs1-format">(PDF)</span> on June 19, 2010<span class="reference-accessdate">. Retrieved <span class="nowrap">March 30,</span> 2011</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=IEEE+Control+Systems+Award+Recipients&rft.pub=IEEE&rft_id=http%3A%2F%2Fwww.ieee.org%2Fdocuments%2Fcontrol_sys_rl.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALennart+Ljung+%28engineer%29" class="Z3988"></span></span> </li> <li id="cite_note-IEEE-CSS-ControlSystems-Award-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-IEEE-CSS-ControlSystems-Award_8-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20101229173014/http://www.ieeecss.org/main/awards/control-systems-field-award">"IEEE Control Systems Award"</a>. <a href="/wiki/IEEE_Control_Systems_Society" class="mw-redirect" title="IEEE Control Systems Society">IEEE Control Systems Society</a>. Archived from <a rel="nofollow" class="external text" href="http://www.ieeecss.org/main/awards/control-systems-field-award">the original</a> on December 29, 2010<span class="reference-accessdate">. Retrieved <span class="nowrap">March 30,</span> 2011</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=IEEE+Control+Systems+Award&rft.pub=IEEE+Control+Systems+Society&rft_id=http%3A%2F%2Fwww.ieeecss.org%2Fmain%2Fawards%2Fcontrol-systems-field-award&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALennart+Ljung+%28engineer%29" class="Z3988"></span></span> </li> <li id="cite_note-TKK-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-TKK_9-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.aalto.fi/en/current/tkk_archive/news/view/tohtoripromootio20080402/">"The 20th Ceremonial Conferment of Doctoral Degrees at TKK on 2 April 2008"</a>. <a href="/wiki/Aalto_University" title="Aalto University">Aalto University</a><span class="reference-accessdate">. Retrieved <span class="nowrap">July 18,</span> 2012</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=The+20th+Ceremonial+Conferment+of+Doctoral+Degrees+at+TKK+on+2+April+2008&rft.pub=Aalto+University&rft_id=http%3A%2F%2Fwww.aalto.fi%2Fen%2Fcurrent%2Ftkk_archive%2Fnews%2Fview%2Ftohtoripromootio20080402%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALennart+Ljung+%28engineer%29" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lennart_Ljung_(engineer)&action=edit&section=6" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="http://www.control.isy.liu.se/~ljung/">Lennart Ljung's personal web page</a></li> <li><a rel="nofollow" class="external text" href="http://www.moviii.liu.se/">MOVIII Strategic Research Center at Linköping University</a></li> <li><a rel="nofollow" class="external text" href="http://www.mathworks.com/products/sysid/">System Identification Toolbox Product page at MathWorks</a></li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output 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href="https://www.wikidata.org/wiki/Q5960769#identifiers" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" src="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">International</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"><ul><li><span class="uid"><a rel="nofollow" class="external text" href="https://isni.org/isni/0000000084020041">ISNI</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://viaf.org/viaf/94798461">VIAF</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://id.oclc.org/worldcat/entity/E39PBJtCFJXdFDKHM3DBJryGHC">WorldCat</a></span></li></ul></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">National</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"><ul><li><span class="uid"><a rel="nofollow" class="external text" href="https://d-nb.info/gnd/1054439982">Germany</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://id.loc.gov/authorities/n82121076">United States</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://aleph.nkp.cz/F/?func=find-c&local_base=aut&ccl_term=ica=vut2011661830&CON_LNG=ENG">Czech Republic</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="http://data.bibliotheken.nl/id/thes/p071253025">Netherlands</a></span></li><li><span class="uid"><span class="rt-commentedText tooltip tooltip-dotted" title="Ljung, Lennart"><a rel="nofollow" class="external text" href="https://kopkatalogs.lv/F?func=direct&local_base=lnc10&doc_number=000050400&P_CON_LNG=ENG">Latvia</a></span></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://libris.kb.se/97mqxh2t3qsd62h">Sweden</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://dbn.bn.org.pl/descriptor-details/9810562996105606">Poland</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="http://olduli.nli.org.il/F/?func=find-b&local_base=NLX10&find_code=UID&request=987007434870905171">Israel</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://opac.kbr.be/LIBRARY/doc/AUTHORITY/14755268">Belgium</a></span></li></ul></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Academics</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"><ul><li><span class="uid"><a rel="nofollow" class="external text" href="https://ci.nii.ac.jp/author/DA01387915?l=en">CiNii</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://orcid.org/0000-0003-4881-8955">ORCID</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://www.mathgenealogy.org/id.php?id=104598">Mathematics Genealogy Project</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://www.researcherid.com/rid/B-3822-2014">ResearcherID</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://www.scopus.com/authid/detail.uri?authorId=24551695000">Scopus</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://zbmath.org/authors/?q=ai:ljung.lennart">zbMATH</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://scholar.google.com/citations?user=2lo28DgAAAAJ">Google Scholar</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://dblp.org/pid/77/2831">DBLP</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://mathscinet.ams.org/mathscinet/MRAuthorID/115000">MathSciNet</a></span></li></ul></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">People</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"><ul><li><span class="uid"><a rel="nofollow" class="external text" href="https://www.deutsche-digitale-bibliothek.de/person/gnd/1054439982">DDB</a></span></li></ul></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"><ul><li><span class="uid"><a rel="nofollow" class="external text" href="https://www.idref.fr/05694358X">IdRef</a></span></li></ul></div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=Lennart_Ljung_(engineer)&oldid=1244028290">https://en.wikipedia.org/w/index.php?title=Lennart_Ljung_(engineer)&oldid=1244028290</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div 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